"The purpose of this study was to conduct a questionnaire survey on anti-doping activities for junior age groups of sports organizations, to extract issues about anti-doping activities for junior age groups from the results of the survey and to propose strategies for anti-doping in sports. The respondents of the questionnaire were all the 522 players (497 males and 25 females) who participated in the 2005 JOC Junior Olympic Cup for Wrestling (Junior Division: 17-20 years of age). There were 96 males (20%) and 7 females (30%) who were interested in anti-doping. The sources of information on anti-doping most often cited by the respondents were managers and coaches (113 males and 8 females). 346 males (71%) and 12 females (48%) thought that supplements were necessary for wrestling games, and 263 males (54%) and 6 females (25%) were taking supplements for daily training. There were 8 males (2%) and 2 females (8%) who had taken diuretics during weight reduction, and 22 males (5%) and 1 female (4%) who had been on drips or had had vitamin shots after weigh-ins, small minorities in both cases. These findings have made it clear that there is a need to start educating and enlightening at the level of junior age groups and improve the quality of leaders for implementing anti-doping activities."